books.google.com.au - Tracking is a great way to channel your dog’s energy and challenge their mind. There are different avenues of tracking from sports trials (earning titles), to search and rescue (professional working dogs), to dogs who only participate for fun and energy release. Tracking as a dog sport is intended...https://books.google.com.au/books/about/Tracking.html?id=Zgc8DAAAQBAJ&utm_source=gb-gplus-shareTracking